公开(公告)号：US20170045555A1

公开(公告)日：2017-02-16

申请号：US15305104

申请日：2014-10-28

Applicant: ZTE CORPORATION

Inventor： Tao LIU ,  Jianping ZHOU ,  Guoxian Lin ,  Jie FAN ,  Yong LUO

IPC: G01R19/25 ,  H02M1/42 ,  H02H7/12 ,  G01R15/18

CPC classification number: G01R19/2506 ,  G01R15/183 ,  G01R19/0092 ,  H02H7/12 ,  H02M1/4208 ,  H02M1/4225 ,  H02M2001/0009 ,  Y02B70/126 ,  Y02P80/112

Abstract: A method and device for detecting inductor current of a PFC circuit are disclosed, which relates to the field of power supply technology. The method includes: detecting a voltage on a boost inductor of a critical-conduction mode PFC circuit, and obtaining an inductor voltage detection signal (S1); converting the inductor voltage detection signal into a voltage signal whose waveform is consistent with a current waveform of the inductor to serve as an inductor current detection signal, to perform loop protection on the PFC circuit or perform over-current protection on the PFC circuit by using the inductor current detection signal (S2).

Abstract translation: 公开了一种用于检测PFC电路的电感电流的方法和装置，其涉及电源技术领域。 该方法包括：检测临界导通模式PFC电路的升压电感上的电压，并获得电感电压检测信号（S1）; 将电感器电压检测信号转换成电压信号，其波形与电感器的电流波形一致，以用作电感器电流检测信号，以在PFC电路上执行环路保护或通过使用PFC电路执行过电流保护 电感电流检测信号（S2）。

公开(公告)号：US20160241084A1

公开(公告)日：2016-08-18

申请号：US15024349

申请日：2014-06-19

Applicant: ZTE CORPORATION

Inventor： Cheng GUO ,  Feiyun TANG ,  Jie FAN ,  Yong LUO ,  Jianping ZHOU ,  Chuan HE ,  Chen LIU ,  Yaoguang GAO ,  Wei LIU ,  Beibei QIU ,  Jing WANG ,  Jianquan LIU ,  Lin CHI

IPC: H02J50/10 ,  H02J7/02 ,  B60L11/18 ,  H02J50/90

CPC classification number: H02J50/10 ,  B60L11/1803 ,  B60L11/182 ,  B60L11/1831 ,  B60L2210/10 ,  B60L2210/40 ,  B60L2230/16 ,  H02J7/025 ,  H02J17/00 ,  H02J50/12 ,  H02J50/90 ,  Y02T10/7005 ,  Y02T10/7088 ,  Y02T10/7216 ,  Y02T10/7241 ,  Y02T90/121 ,  Y02T90/122 ,  Y02T90/125 ,  Y02T90/127 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/163

Abstract: A controlling method and device for a wireless power transfer system, wherein the wireless power transfer system includes a transmitting component and a receiving component, and further includes a contactless transformer & compensation (CT&C) circuit, and the controlling method includes: obtaining positional relationship information of the transmitting component and the receiving component; adjusting the number of coil turns of the transmitting component based on the positional relationship information, and making conditions of a CT&C voltage gain characteristic and an input impedance characteristic after a charging inverter bridge of the wireless power transfer system meet a charging condition. The abovementioned technical solution can provide a protection for a stable operation of the wireless power transfer system with a non-mechanical adjusting device, and the wireless charging can be achieved without using a mechanical adjusting device to align and range

Abstract translation: 一种无线电力传输系统的控制方法和装置，其中无线电力传输系统包括发射部件和接收部件，并且还包括非接触式变压器和补偿电路（CT＆C），该控制方法包括：获得位置关系信息 的发送部件和接收部件; 基于位置关系信息调整发送部件的线圈匝数，并且在无线电力传输系统的充电逆变桥之后使CT＆C电压增益特性和输入阻抗特性的条件满足充电条件。 上述技术方案可以通过非机械调节装置提供对无线电力传输系统的稳定操作的保护，并且可以在不使用机械调节装置对准和范围的情况下实现无线充电